Cascading Classifiers for Named Entity Recognition in Clinical Notes Yefeng Wang author Jon Patrick author 2009-09 text Proceedings of the Workshop on Biomedical Information Extraction Guergana Savova editor Vangelis Karkaletsis editor Galia Angelova editor Association for Computational Linguistics Borovets, Bulgaria conference publication wang-patrick-2009-cascading https://aclanthology.org/W09-4507/ 2009-09 42 49